F-22 Raptor Fuel economy: 0.4 mpg

C-5 Galaxy Fuel economy: 0.07-0.13 mpg

USS Enterprise Fuel economy: Nuclear
Eight reactors that combine for 280,000 horsepower propel this nuclear-powered aircraft carrier. The 1,123-foot behemoth requires two 30-ton anchors to hold it when it’s not sailing.

HMMWV Fuel economy: 10-14 mpg

M-1070 Fuel economy: 1.2 mpg

Stryker Fuel economy: 5.7 mpg

LCAC Fuel economy: 0.04-0.06 mpg

M1 Abrams Tank Fuel economy: 0.6 mpg

SSN 21 Seawolf Fuel economy: nuclear

Apache Longbow Fuel economy: 0.9-2.3 mpg